M150 AND M200 ENGINE ERROR CODES
Form 169017 / 169087 / 169095 229 Revision C
J1939 SPN
Description
J1939
SPN
J1939
FMI
Lamp
Color
Cummins
Engine
Code
CAT
Engine
Code
Cummins / Caterpillar Description
Injector
Metering Rail
1 Pressure
157
0 Red 449
Fuel Pressure High - Data Valid but Above Normal Operational
Range – Moderately Severe Level
1 Amber 2249
Injector Metering Rail 1 Pressure - Data Valid but Below Normal
Operational Range - Most Severe Level
2 Amber 554 Fuel Pressure Sensor Error - Data Erratic, Intermittent, or Incorrect
3 Amber 451 1797
Injector Metering Rail #1 Pressure Sensor Circuit - Voltage Above
Normal, or Shorted to High Source
4 Amber 452 1797
Injector Metering Rail #1 Pressure Sensor Circuit - Voltage Below
Normal, or Shorted to Low Source
16 Amber 553
Injector Metering Rail #1 Pressure High - Data Valid but Above
Normal Operational Range - Moderately Severe Level
18 Amber 559
Injector Metering Rail #1 Pressure Low - Data Valid but Below
Normal Operational Range - Moderately Severe Level
Key Switch 158 2 439 1834 Data erratic, intermittent, or incorrect
Cylinder
Power
166 2 None 951
Cylinder Power Imbalance Between Cylinders - Data Erratic,
Intermittent, or Incorrect
Alternator
Potential
(voltage)
167
1 Red 598
Electrical Charging System Voltage Low - Data Valid but Below
Normal Operational Range - Most Severe Level
16 Amber 596
Electrical Charging System Voltage High - Data Valid but Above
Normal Operational Range - Moderately Severe Level
18 Amber 597
Electrical Charging System Voltage Low - Data Valid but Below
Normal Operational Range - Moderately Severe Level
ECM battery
power
168
0
422
168 Excessive battery power
1 168 Low battery power
2 168 Intermittent
16 Amber 442
Battery #1 Voltage High - Data Valid but Above Normal Operational
Range - Moderately Severe Level
18 Amber 441
Battery #1 Voltage Low - Data Valid but Below Normal Operational
Range - Moderately Severe Level
Ambient Air
Temperature
171
3 Amber 249
Ambient Air Temperature Sensor Circuit - Voltage Above Normal,
or Shorted to High Source
4 Amber 256
Ambient Air Temperature Sensor Circuit - Voltage Below Normal,
or Shorted to Low Source
Fuel
Temperature
174
3 Amber 263
Engine Fuel Temperature Sensor 1 Circuit - Voltage Above Normal,
or Shorted to High Source
4 Amber 265
Engine Fuel Temperature Sensor 1 Circuit - Voltage Below Normal,
or Shorted to Low Source
16 Amber 261
Engine Fuel Temperature - Data Valid but Above Normal
Operational Range - Moderately Severe Level
Oil
Temperature
175
0 Red 214
Engine Oil Temperature - Data Valid but Above Normal Operational
Range - Most Severe Level
2 Amber 425 Engine Oil Temperature -Data Erratic, Intermittent, or Incorrect
3 Amber 212
Engine Oil Temperature Sensor 1 Circuit - Voltage Above Normal,
or Shorted to High Source
4 Amber 213
Engine Oil Temperature Sensor 1 Circuit - Voltage Below Normal,
or Shorted to Low Source
Engine Speed 190
0 Red 234
Engine Speed High - Data Valid but Above Normal Operational
Range - Most Severe Level
2 Amber 689
Primary Engine Speed Sensor Error - Data Erratic, Intermittent, or
Incorrect
8 141 190 Abnormal signal frequency
15 N/A 362 Engine Overspeed - WARNING
Real Time
Clock Power
251 2 Maint 319
Real Time Clock Power Interrupt - Data Erratic, Intermittent, or
Incorrect
Exhaust Gas
Recirculation
Temperature
412
3 Amber 2375
Exhaust Gas Recirculation Temperature Sensor Circuit - Voltage
Above Normal, or Shorted to High Source
4 Amber 2376
Exhaust Gas Recirculation Temperature Sensor Circuit - Voltage
Below Normal, or Shorted to Low Source
OEM
Temperature
#1
441
3 Amber 293
Auxiliary Temperature Sensor Input # 1 Circuit -Voltage Above
Normal, or Shorted to High Source
4 Amber 294
Auxiliary Temperature Sensor Input # 1 Circuit -Voltage Below
Normal, or Shorted to Low Source
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